The answer to today's Geo Quiz is the Aegean Sea. The Britannic, which was a First World War hospital ship, sank in the Aegean Sea in 1916 after striking a German mine. The BBC's Malcolm Brabant reports that a company plans to offer submarine trips to the site of the wreck starting next year.

The answer to today's Geo Quiz is the Aegean Sea. The Britannic, which was a First World War hospital ship, sank in the Aegean Sea in 1916 after striking a German mine. The BBC's Malcolm Brabant reports that a company plans to offer submarine trips to the site of the wreck starting next year.